CN113683918B - Carbon-free black ink based on point-reading printing and preparation method thereof - Google Patents
Carbon-free black ink based on point-reading printing and preparation method thereof Download PDFInfo
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- CN113683918B CN113683918B CN202110967763.3A CN202110967763A CN113683918B CN 113683918 B CN113683918 B CN 113683918B CN 202110967763 A CN202110967763 A CN 202110967763A CN 113683918 B CN113683918 B CN 113683918B
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- 238000007639 printing Methods 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000000049 pigment Substances 0.000 claims abstract description 32
- 235000010446 mineral oil Nutrition 0.000 claims abstract description 11
- 239000002480 mineral oil Substances 0.000 claims abstract description 11
- 235000015112 vegetable and seed oil Nutrition 0.000 claims abstract description 11
- 239000008158 vegetable oil Substances 0.000 claims abstract description 11
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical class [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims abstract description 9
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims abstract description 9
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims abstract description 9
- 229920000180 alkyd Polymers 0.000 claims abstract description 9
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000003756 stirring Methods 0.000 claims abstract description 7
- 239000011324 bead Substances 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 229920005989 resin Polymers 0.000 claims abstract description 4
- 239000011347 resin Substances 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 4
- 239000010935 stainless steel Substances 0.000 claims abstract description 4
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 4
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 2
- 235000019774 Rice Bran oil Nutrition 0.000 claims description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 238000004821 distillation Methods 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- 235000021388 linseed oil Nutrition 0.000 claims description 2
- 239000000944 linseed oil Substances 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 claims description 2
- 239000008165 rice bran oil Substances 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 235000012424 soybean oil Nutrition 0.000 claims description 2
- 239000003549 soybean oil Substances 0.000 claims description 2
- 239000002383 tung oil Substances 0.000 claims description 2
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 239000000976 ink Substances 0.000 description 37
- 239000006229 carbon black Substances 0.000 description 7
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 5
- 238000007645 offset printing Methods 0.000 description 4
- 238000002156 mixing Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/103—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds of aldehydes, e.g. phenol-formaldehyde resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/06—Printing inks based on fatty oils
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/104—Polyesters
- C09D11/105—Alkyd resins
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to the field of offset lithographic printing ink, and particularly discloses carbon-free black ink based on point-reading printing and a preparation method thereof, wherein the carbon-free black ink mainly comprises the following components: rosin modified phenolic resin, alkyd resin, vegetable oil, mineral oil, mixed pigment and hyperdispersant. The preparation method mainly comprises the following steps: sequentially adding metered vegetable oil and mineral oil into a stainless steel reaction kettle, stirring, heating to 100 ℃, adding rosin modified phenolic resin and alkyd resin, continuously heating to 200 ℃, keeping the temperature for 30 minutes after the resin is completely dissolved, cooling to 80 ℃, adding a hyper-dispersant and mixed pigment mixed in proportion in advance, uniformly conveying to a bead mill by a pipeline, and grinding to obtain the finished product ink. The black ink has good color expression, can meet the color standard of ISO2846-1, and has the light resistance of more than 5 grades.
Description
Technical Field
The invention relates to the field of offset lithography printing and offset lithography printing ink, in particular to carbon-free black ink based on point-reading printing and a preparation method thereof.
Background
In recent years, reading books and textbooks have been widely used in the fields of children reading, primary and secondary school teaching and the like.
The essence of the method is that a reading pen capable of identifying OID (optical identity digital) codes is matched with a printed product printed with the OID codes to change a silent book into an audio reading material. The OID code is a two-dimensional optical identification code, also called invisible code, and has small actual size and can not be identified by naked eyes. The point-reading pen is an optical identification device of OID codes, and its main function is to identify the two-dimensional invisible codes on the printed matter by means of sensing head, and transfer the code value to audio decoder based on MP3 technology by means of communication interface through image decoding circuit, and before that, the correspondent speech file stored in the storage device can be sent out by means of pronunciation equipment so as to implement point-reading function.
The printing of ordinary prints usually uses four primary color offset inks of black, blue, red and yellow to exhibit various colors by color stacking. In the process of printing the point-reading printed matter, the point-reading pen is used for identifying according to the carbon black contained in the OID code, so the printing of the OID code needs to be carried out by adopting black offset printing ink containing a carbon black component. The ink used for the remaining black part of the printed matter must not contain carbon black, which would interfere with the recognition of the point-and-read pen, so that the three-color offset printing of blue, red and yellow is usually used according to a ratio of 1: 1: 1 to prepare gray ink. The color values L, a and b of the ink can not meet the color standard of ISO2846-1, and the tolerance value delta E is more than or equal to 3.0. The prints printed in this way therefore have a clear difference in colour appearance from conventional prints. In addition, black inks containing carbon black have a light fastness rating of 8 highest, while gray inks formulated with conventional offset inks of the three colors blue, red and yellow have a light fastness rating of 2, which results in fading of the printed matter after a period of use.
Disclosure of Invention
Aiming at the problems of insufficient color saturation, insufficient gradation, fading and the like of the existing point-reading printed matter, the invention provides the carbon-free black ink based on point-reading printing and the preparation method thereof, the carbon-free black ink has the same blackness and performance as the common offset black ink (containing carbon black), and accords with the color standard of ISO2846-1, and the light resistance grade is more than 5 grade.
The object of the present invention is achieved by the following technical means. A carbon-free black ink based on point-reading printing comprises the following components in parts by weight: 15-20 parts of rosin modified phenolic resin, 3-5 parts of alkyd resin, 23-28 parts of vegetable oil, 12-18 parts of mineral oil, 32-38 parts of mixed pigment and 1 part of hyperdispersant.
The mixed pigment comprises the following components in percentage by weight: 25-40% of PR170 pigment red, 25-40% of PY180 pigment yellow, and PB 15: 25-40% of 3 phthalocyanine blue and 1-5% of PG7 phthalocyanine green.
The vegetable oil is one or more of soybean oil, linseed oil, tung oil, rapeseed oil, rice bran oil and dehydrated castor oil.
The mineral oil is a high-boiling point petroleum solvent with the distillation range of 280-320 ℃ and the aromatic hydrocarbon content of less than or equal to 1%.
The hyperdispersant is Luborun P800.
The invention also provides a preparation method of the carbon-free black ink based on point-reading printing, which comprises the steps of sequentially adding metered vegetable oil and mineral oil into a stainless steel reaction kettle, starting stirring, adding rosin modified phenolic resin and alkyd resin after heating to 100 ℃, continuously heating to 200 ℃, keeping the temperature for 30 minutes after the resin is completely dissolved, then cooling to 80 ℃, adding the hyperdispersant and the mixed pigment mixed in proportion in advance, stirring at a high speed for 30 minutes, conveying to a bead mill by a pipeline for grinding, and obtaining the finished product of the ink for printing after the fineness of pigment particles is less than 7.5 micrometers.
The invention has the beneficial effects that:
1. the formula of the invention does not contain carbon black, is used for printing point-reading printed matters, replaces the traditional four-primary-color black ink in printing, and can be used for printing image-text parts except OID codes.
2. The color value of the carbon-free black ink is close to that of common offset black ink (with carbon black), and the carbon-free black ink meets the requirement of ISO2846-1 on the color value of the black ink: l is less than or equal to 18.0, a is 0.8 plus or minus 1.5, and b is 0 plus or minus 3.0.
3. Compared with the ISO standard, the tolerance value delta E of the carbon-free black ink is less than or equal to 3.0, and the carbon-free black ink can endow a read-on-demand printed matter with better color saturation and more vivid hierarchical expression.
4. The carbon-free black ink disclosed by the invention is evaluated by referring to GB/T22771-.
Detailed Description
The invention is further illustrated by the following examples: the difference between the various embodiments is that the mixture ratio of the mixed pigment is different, and the other component ratios and the production process are basically consistent. The parts are parts by mass unless otherwise specified.
Example 1: will: PR170 pigment red 36.5%, PY180 pigment yellow 29.6%, PB 15: 3, 31.9 percent of phthalocyanine blue and 2 percent of PG7 phthalocyanine green are uniformly mixed to prepare the mixed pigment 1.
Example 2: will: PR170 pigment red 38%, PY180 pigment yellow 28.6%, PB 15: 3, 31.4% of phthalocyanine blue and 2% of PG7 phthalocyanine green are uniformly mixed to prepare the mixed pigment 2.
Example 3: will: PR170 pigment red 38%, PY180 pigment yellow 28.6%, PB 15: 30.4% of 3-phthalocyanine blue and 3% of PG 7-phthalocyanine green are uniformly mixed to prepare the mixed pigment 3.
The subsequent preparation of the above three examples is as follows: respectively adding 25 parts of metered vegetable oil and 15 parts of metered mineral oil into three stainless steel reaction kettles, starting stirring, heating to 100 ℃, adding 18 parts of rosin modified phenolic resin and 4 parts of alkyd resin, continuing heating to 200 ℃, keeping the temperature for 30 minutes after the resin is completely dissolved, then cooling to 80 ℃, adding 3 parts of hyperdispersant, then respectively adding 1 part of mixed pigment, 2 part of mixed pigment and 3 parts of mixed pigment, stirring at a high speed for 30 minutes, conveying to a bead mill by a pipeline for grinding, and respectively obtaining finished ink examples 1, 2 and 3 after the fineness of pigment particles is less than 7.5 micrometers.
Comparative example 1: the red, blue and yellow common offset printing ink is prepared according to the following steps of 1: 1: mixing at a ratio of 1.
Finished ink Performance testing example 1, example 2, example 3 and comparative example 1 were color developed on a color Bonder printability tester using a two part roller at an ink level of 0.175 cc.
The color values L, a and b and the tolerance value delta E of the developed color sample are tested by an Alice spectrophotometer and are in accordance with the standard ISO 2846-1.
And testing the light resistance level of the color sample by using an ATLAS Ci3000+ light resistance tester. The light resistance of the ink is classified into 1-8 grades, wherein the 1 grade is the lowest, and the 8 grade is the highest.
The test results were as follows:
by combining the reference example 1 and the ISO2846-1 standard, the reference example 1 prepared by mixing the red, yellow and blue common offset printing inks does not meet the requirements of the ISO standard in the color values of L, a and b, the tolerance value delta E is more than 3.0, and the light resistance grade of the ink is only 2 grade.
By combining example 1, example 2, example 3 and ISO2846-1 standard, it can be seen that finished inks of examples 1, 2 and 3 all meet the requirements of ISO standard, the tolerance value Delta E is less than 3.0, and the light resistance grade of the ink is grade 5.
The mixing ratios of the mixed pigments of example 1, example 2 and example 3 are slightly different, so that the color values L, a, b and the tolerance value delta E are changed to some extent, but the ranges of the mixed pigments are not beyond the range required by the ISO2846-1 standard.
Example 4 differs from examples 1 to 3 in that: the carbon-free black ink comprises the following components in parts by weight: 15 parts of rosin modified phenolic resin, 3 parts of alkyd resin, 23 parts of vegetable oil, 12 parts of mineral oil, 32 parts of mixed pigment and 1 part of hyperdispersant.
Example 5 differs from examples 1 to 3 in that: the carbon-free black ink comprises the following components in parts by weight: 20 parts of rosin modified phenolic resin, 5 parts of alkyd resin, 28 parts of vegetable oil, 18 parts of mineral oil, 38 parts of mixed pigment and 1 part of hyperdispersant.
It should be noted that the carbon-free black inks used in examples 4 and 5 are slightly different from those used in examples 1 to 3, and the formulations in examples 1 to 3 are the most suitable, but examples 4 and 5 also have the better effects.
The above embodiments are merely preferred embodiments of the present invention, which should not be construed as limiting the scope of the invention, and therefore all equivalent variations that fall within the scope of the invention are intended to be embraced by the claims.
Claims (5)
1. A carbon-free black ink based on point-reading printing is characterized in that: the composition comprises the following components in parts by weight: 15-20 parts of rosin modified phenolic resin, 3-5 parts of alkyd resin, 23-28 parts of vegetable oil, 12-18 parts of mineral oil, 32-38 parts of mixed pigment and 1 part of hyperdispersant; the mixed pigment comprises the following components in percentage by weight: 25-40% of PR170 pigment red, 25-40% of PY180 pigment yellow, and PB 15: 25-40% of 3 phthalocyanine blue and 1-5% of PG7 phthalocyanine green.
2. The carbon-free black ink based on point-and-read printing according to claim 1, wherein: the vegetable oil is one or more of soybean oil, linseed oil, tung oil, rapeseed oil, rice bran oil and dehydrated castor oil.
3. The carbon-free black ink based on point-and-read printing according to claim 1, wherein: the mineral oil is a high-boiling point petroleum solvent with the distillation range of 280-320 ℃ and the aromatic hydrocarbon content of less than or equal to 1%.
4. The carbon-free black ink based on point-and-read printing according to claim 1, wherein: the hyperdispersant is Luborun P800.
5. A method for preparing the carbon-free black ink based on point-and-read printing according to claim 1, wherein: sequentially adding metered vegetable oil and mineral oil into a stainless steel reaction kettle, starting stirring, heating to 100 ℃, adding rosin modified phenolic resin and alkyd resin, continuously heating to 200 ℃, keeping the temperature for 30 minutes after the resin is completely dissolved, then cooling to 80 ℃, adding a hyperdispersant and mixed pigment which is mixed in advance according to a proportion, stirring at a high speed for 30 minutes, conveying to a bead mill by a pipeline for grinding, and obtaining the finished product of the printing ink after the fineness of pigment particles is less than 7.5 micrometers.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110967763.3A CN113683918B (en) | 2021-08-23 | 2021-08-23 | Carbon-free black ink based on point-reading printing and preparation method thereof |
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| CN202110967763.3A CN113683918B (en) | 2021-08-23 | 2021-08-23 | Carbon-free black ink based on point-reading printing and preparation method thereof |
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| CN113683918B true CN113683918B (en) | 2022-08-02 |
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| CN119463587B (en) * | 2024-11-20 | 2025-11-21 | 当纳利(广东)印务有限公司 | Click-to-read ink and preparation method and application thereof |
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| CN1489002A (en) * | 2002-05-31 | 2004-04-14 | ������������ʽ���� | Electrostatic charge image developing toner and manufacturing method, and image forming method |
| US20040259026A1 (en) * | 2001-04-27 | 2004-12-23 | Canon Kabushiki Kaisha | Electrostatic charge image developing toner, producing method therefor, image forming method and image forming apparatus utilizing the toner, construct and method for making the construct |
| CN102666742A (en) * | 2009-10-16 | 2012-09-12 | 惠普发展公司，有限责任合伙企业 | electronic ink |
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| JP2008260803A (en) * | 2007-04-10 | 2008-10-30 | Toyo Ink Mfg Co Ltd | Lithographic ink composition |
| JP4231948B2 (en) * | 2008-04-25 | 2009-03-04 | 健治 吉田 | Method for printing dot pattern using halftone dots and printed matter |
| CN101671505A (en) * | 2009-10-17 | 2010-03-17 | 太原印科油墨有限公司 | Single-sheet non-skinning oil ink |
| CN105802325A (en) * | 2014-12-30 | 2016-07-27 | 天津天女化工集团股份有限公司 | Plant oil-based offset lithographic printing ink formula and preparation method thereof |
| CN110722890B (en) * | 2018-07-17 | 2023-06-13 | 上海趣威文化发展有限公司 | IOD (information on demand) click-reading printed matter printing method |
| CN109575688A (en) * | 2018-12-10 | 2019-04-05 | 郑州鸿盛数码科技股份有限公司 | A kind of aqueous UV ink-jet ink and preparation method thereof and curing method |
| CN111645435A (en) * | 2020-06-02 | 2020-09-11 | 深圳聆听智能教育有限公司 | A New Printing Method of Point Reading Code |
| CN112662227A (en) * | 2020-12-11 | 2021-04-16 | 上海美美良虹印刷有限公司 | Carbon-free environment-friendly offset printing black ink and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040259026A1 (en) * | 2001-04-27 | 2004-12-23 | Canon Kabushiki Kaisha | Electrostatic charge image developing toner, producing method therefor, image forming method and image forming apparatus utilizing the toner, construct and method for making the construct |
| CN1489002A (en) * | 2002-05-31 | 2004-04-14 | ������������ʽ���� | Electrostatic charge image developing toner and manufacturing method, and image forming method |
| CN102666742A (en) * | 2009-10-16 | 2012-09-12 | 惠普发展公司，有限责任合伙企业 | electronic ink |
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